libmail-box-perl 2.117-1 / usr / share / perl5 / Mail / Box / IMAP4 / Message.pm

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# Copyrights 2001-2014 by [Mark Overmeer].
#  For other contributors see ChangeLog.
# See the manual pages for details on the licensing terms.
# Pod stripped from pm file by OODoc 2.01.

use strict;
use warnings;

package Mail::Box::IMAP4::Message;
use vars '$VERSION';
$VERSION = '2.117';

use base 'Mail::Box::Net::Message';

use Date::Parse 'str2time';


sub init($)
{   my ($self, $args) = @_;

    $self->SUPER::init($args);

    $self->{MBIM_write_labels}
       = exists $args->{write_labels} ? $args->{write_labels} : 1;

    $self->{MBIM_cache_labels} = $args->{cache_labels};
    $self->{MBIM_cache_head}   = $args->{cache_head};
    $self->{MBIM_cache_body}   = $args->{cache_body};

    $self;
}


sub size($)
{   my $self = shift;
    
    return $self->SUPER::size
        unless $self->isDelayed;

    $self->fetch('RFC822.SIZE');
}

sub recvstamp()
{   my $date = shift->fetch('INTERNALDATE');
    defined $date ? str2time($date) : undef;
}


sub label(@)
{   my $self = shift;
    my $imap = $self->folder->transporter or return;
    my $id   = $self->unique or return;

    if(@_ == 1)
    {   # get one value only
        my $label  = shift;
        my $labels = $self->{MM_labels};
	return $labels->{$label}
	    if exists $labels->{$label} || exists $labels->{seen};

	my $flags = $imap->getFlags($id);
        if($self->{MBIM_cache_labels})
	{   # the program may have added own labels
            @{$labels}{keys %$flags} = values %$flags;
            delete $self->{MBIM_labels_changed};
	}
	return $flags->{$label};
    }

    my @private;
    if($self->{MBIM_write_labels})
    {    @private = $imap->setFlags($id, @_);
         delete $self->{MBIM_labels_changed};
    }
    else
    {    @private = @_;
    }

    my $labels  = $self->{MM_labels};
    my @keep    = $self->{MBIM_cache_labels} ? @_ : @private;

    while(@keep)
    {   my ($k, $v) = (shift @keep, shift @keep);
        next if defined $labels->{$k} && $labels->{$k} eq $v;

        $self->{MBIM_labels_changed}++;
        $labels->{$k} = $v;
    }
    $self->modified(1) if @private && $self->{MBIM_labels_changed};
 
    $self;
}


sub labels()
{   my $self   = shift;
    my $id     = $self->unique;
    my $labels = $self->SUPER::labels;
    $labels    = { %$labels } unless $self->{MBIM_cache_labels};

    if($id && !exists $labels->{seen})
    {   my $imap = $self->folder->transporter or return;
        my $flags = $imap->getFlags($id);
        @{$labels}{keys %$flags} = values %$flags;
    }

    $labels;
}

#-------------------------------------------


sub loadHead()
{   my $self     = shift;
    my $head     = $self->head;
    return $head unless $head->isDelayed;

    $head         = $self->folder->getHead($self);
    $self->head($head) if $self->{MBIM_cache_head};
    $head;
}

sub loadBody()
{   my $self     = shift;

    my $body     = $self->body;
    return $body unless $body->isDelayed;

    (my $head, $body) = $self->folder->getHeadAndBody($self);
    return undef unless defined $head;

    $self->head($head)      if $self->{MBIM_cache_head} && $head->isDelayed;
    $self->storeBody($body) if $self->{MBIM_cache_body};
    $body;
}


sub fetch(@)
{   my ($self, @info) = @_;
    my $folder = $self->folder;
    my $answer = ($folder->fetch( [$self], @info))[0];

    @info==1 ? $answer->{$info[0]} : @{$answer}{@info};
}


sub writeDelayed($$)
{   my ($self, $foldername, $imap) = @_;

    my $id     = $self->unique;
    my $labels = $self->labels;

    if($self->head->modified || $self->body->modified || !$id)
    {
        $imap->appendMessage($self, $foldername);
        if($id)
        {   $self->delete;
            $self->unique(undef);
        }
    }
    elsif($self->{MBIM_labels_changed})
    {   $imap->setFlags($id, %$labels);  # non-IMAP4 labels disappear
        delete $self->{MBIM_labels_changed};
    }

    $self;
}

#-------------------------------------------


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